Java Strings

What is the output of the following statement: String myWords = "Paul Gary Tom"; myWords.indexOf('s')

-1

What will be the value of loc after the following code is executed? int loc; String str = "The cow jumped over the moon." loc = str.indexOf("ov");

15

A string s has 85 characters. The last char is at position _____

84

If a non-letter is passed to the toLowerCase or toUpperCase method, it is returned unchanged.

True

immutable

Unable to be changed or altered

Assuming that str is declared as follows, String str = "RSTUVWXYZ"; what value will be returned from str.charAt(5)?

W

What is the value of str after the following code has been executed? String str; String sourceStr = "Hey diddle, diddle, the cat and the fiddle"; str = sourceStr.substring(12,17);

diddl

If str is declared as String str = "ABCDEFGHI"; what will be returned from Character.toLowerCase(str.charAt(5))?

f

In Java, when a String is stored in memory, it is actually as a(n) ________.

list of characters

charAt(int i)

returns the character at index i

Str1 and str2 are both Strings, what method call would you use to see if they are the same?

str1.equals(str2) OR str2.equals(str1)

String objects are immutable

true

What is s after the following code segment is run? String s = "MN"; s.concat("Zoo")

MNZoo

length()

Returns the number of characters in a string

What will be printed after the following code is executed? String str = "abc456"; int i = 0; while ( i < 6 ) { if (Character.isLetter(str.charAt(i)) System.out.println(Character.toUpperCase(charAt(i))); i++;

ABC